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MathGroup Archive 2010

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Re: How to deal with this message?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg112606] Re: How to deal with this message?
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Thu, 23 Sep 2010 04:19:47 -0400 (EDT)
  • References: <i7c5rp$5ec$1@smc.vnet.net>

The Documentation centre  tutorial tutorial/
FunctionsThatDoNotHaveUniqueValues has a discussion of branch cuts.

Cheers -- Sjoerd

On Sep 22, 7:57 am, olfa <olfa.mra... at yahoo.fr> wrote:
> Hi Mathematica community
>
> when trying to solve a system of equations I have obtained this
> message :
>
> Reduce::useq: The answer found by Reduce contains unsolved equation(s)
> {...}. A likely reason for this is that the
> solution set depends on branch cuts of Mathematica functions.
>
> Could someone help me to understand in simple terms this message
> (especially branch cuts and dependency on them) and how to find
> solution to avoid this message.
>
> Thank you.



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